DE69131350D1 - Method and apparatus for image processing - Google Patents

Method and apparatus for image processing

Info

Publication number
DE69131350D1
DE69131350D1 DE1991631350 DE69131350A DE69131350D1 DE 69131350 D1 DE69131350 D1 DE 69131350D1 DE 1991631350 DE1991631350 DE 1991631350 DE 69131350 A DE69131350 A DE 69131350A DE 69131350 D1 DE69131350 D1 DE 69131350D1
Authority
DE
Germany
Prior art keywords
apparatus
method
image processing
image
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE1991631350
Other languages
German (de)
Other versions
DE69131350T2 (en
Inventor
Mark Shackleton
William Welsh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to GB909015694A priority Critical patent/GB9015694D0/en
Priority to GB909019827A priority patent/GB9019827D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to PCT/GB1991/001183 priority patent/WO1992002000A1/en
Application granted granted Critical
Publication of DE69131350D1 publication Critical patent/DE69131350D1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00221Acquiring or recognising human faces, facial parts, facial sketches, facial expressions
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/62Methods or arrangements for recognition using electronic means
    • G06K9/6201Matching; Proximity measures
    • G06K9/6202Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06K9/6203Shifting or otherwise transforming the patterns to accommodate for positional errors
    • G06K9/6206Shifting or otherwise transforming the patterns to accommodate for positional errors involving a deformation of the sample or reference pattern; Elastic matching
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual entry or exit registers
    • G07C9/00007Access-control involving the use of a pass
    • G07C9/00031Access-control involving the use of a pass in combination with an identity-check of the pass-holder
    • G07C9/00071Access-control involving the use of a pass in combination with an identity-check of the pass-holder by means of personal physical data, e.g. characteristic facial curves, hand geometry, voice spectrum, fingerprints
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
DE1991631350 1990-07-17 1991-07-17 Method and apparatus for image processing Expired - Lifetime DE69131350D1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB909015694A GB9015694D0 (en) 1990-07-17 1990-07-17 Face processing
GB909019827A GB9019827D0 (en) 1990-09-11 1990-09-11 Object location and tracking using a'power-assisted'snake
PCT/GB1991/001183 WO1992002000A1 (en) 1990-07-17 1991-07-17 A method of processing an image

Publications (1)

Publication Number Publication Date
DE69131350D1 true DE69131350D1 (en) 1999-07-22

Family

ID=26297337

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1991631350 Expired - Lifetime DE69131350D1 (en) 1990-07-17 1991-07-17 Method and apparatus for image processing
DE1991631350 Expired - Lifetime DE69131350T2 (en) 1990-07-17 1991-07-17 Method and apparatus for image processing

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1991631350 Expired - Lifetime DE69131350T2 (en) 1990-07-17 1991-07-17 Method and apparatus for image processing

Country Status (6)

Country Link
US (1) US5719951A (en)
EP (1) EP0539439B1 (en)
JP (1) JP3040466B2 (en)
CA (1) CA2087523C (en)
DE (2) DE69131350D1 (en)
WO (1) WO1992002000A1 (en)

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Publication number Publication date
US5719951A (en) 1998-02-17
WO1992002000A1 (en) 1992-02-06
JPH05508951A (en) 1993-12-09
CA2087523C (en) 1997-04-15
DE69131350T2 (en) 1999-12-30
EP0539439B1 (en) 1999-06-16
JP3040466B2 (en) 2000-05-15
EP0539439A1 (en) 1993-05-05

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